Answer to Question #278087 in Java | JSP | JSF for Nandan

Question

We want to calculate the total marks of each student of a class in Physics, Chemistry and Mathematics and the average marks of the class. The number of students in the class are entered by the user. Create a class named Marks with data members for roll number, name and marks. Create three other classes inheriting the Marks class, namely Physics, Chemistry and Mathematics, which are used to define marks in individual subject of each student. Roll number of each student will be generated automatically.

Answer 1

public class Marks {
    private int rollNumber;
    private String name;
    private double[] marks;
}

public class Mathematics extends Marks{
}

public class Physics extends Marks{
}

public class Chemistry extends Marks{
}